This alert expired on 11 July 2026 at 00:15 UTC. It is kept here as a record.
It is the 3rd strongest of the 42 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 6 July 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 10 at 7:52PM EDT until July 10 at 8:15PM EDT by NWS Tampa Bay Ruskin FL
An estimated 566,756 people live within 50 km of this point.
Nearby, since 15 March 2026
- March 17, 2026 · score 48 · 3.0 km
- March 16, 2026 · score 48 · 3.0 km
- May 12, 2026 · score 72 · 19.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 48 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 48 / 100 |
| Our confidence | 80% |
| Coordinates | 28.4958, -82.4414 |
| Nearest City | Spring Hill (9 km) |
| Population Exposed | 566.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-10T23:52:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c3b58a9f594b299145c92270ed9a9eba |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Citrus, FL; Hernando, FL; Pasco, FL; Sumter, FL; Hernando, FL; Pasco, FL; Pinellas, FL |
| Headline | Severe Thunderstorm Warning issued July 10 at 7:52PM EDT until July 10 at 8:15PM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-07-10T20:15:00-04:00 |
| SenderName | NWS Tampa Bay Ruskin FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c3b58a9f594b299145c92270ed9a9eba011df8ed.001.1","noaa_urn:oid:2.49.0.1.840.0.dd0277db69d2beca4e6f721ffd6c0064861c8858.001.1"] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Want to know when something happens near Spring Hill?
Calamity.live data shows a weather event with CalamityScore 48/100, near Spring Hill (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.